{
  "$type": "site.standard.document",
  "description": "A motor control device includes: an inverter circuit that drives a motor; and a control unit that generates a current command value on the basis of a torque command to the motor, and outputs a PWM pulse to the inverter circuit on the basis of the current command value to control the inverter…",
  "path": "/patents/1425096",
  "publishedAt": "2026-06-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B62D5/0472",
    "HITACHI ASTEMO, LTD."
  ],
  "textContent": "A motor control device includes: an inverter circuit that drives a motor; and a control unit that generates a current command value on the basis of a torque command to the motor, and outputs a PWM pulse to the inverter circuit on the basis of the current command value to control the inverter circuit, and the control unit sets a phase shift amount of a carrier wave of the PWM pulse, estimates a fluctuating torque according to the phase shift amount, and corrects the current command value on the basis of the fluctuating torque.",
  "title": "Motor control device, motor control method, steering system, and vehicle drive system"
}